Simplified Model of Transformer Hysteresis Curve (CROSBI ID 611414)
Prilog sa skupa u zborniku | prošireni sažetak izlaganja sa skupa | međunarodna recenzija
Podaci o odgovornosti
Žarko, Damir ; Stipetić, Stjepan ; Poljugan, Tanja
engleski
Simplified Model of Transformer Hysteresis Curve
A simplified model of transformer hysteresis curve utilized for calculation of core losses is presented. It incorporates eddy current losses and hysteresis losses into the same hysteresis curve thus simplifying a set of equations used for solving the magnetic circuit. The parameters of the hysteresis curve model are determined by evolutionary optimization which minimizes the difference between measured and calculated current waveforms from open-circuit test of a three- phase, three-leg transformer rated 400 V, 20.8 kVA. The core losses calculated from the surface area of hysteresis curves calculated for all three legs with supply voltage variation from zero to 10% above rated show a good match with measured losses.
transformer ; hysteresis ; core losses ; magnetization curve
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Podaci o prilogu
1-2.
2014.
objavljeno
Podaci o matičnoj publikaciji
SAEM'2014 - 5th International Symposium on Applied Electromagnetics
Skopje:
Podaci o skupu
SAEM'2014 - 5th International Symposium on Applied Electromagnetics
predavanje
08.06.2014-11.06.2014
Skopje, Sjeverna Makedonija